mean the u.s. is now not acting alone. the nato secretary-general has now announced they will be taking over the operational phase. they've made the political decision as nato says, they'll spend the weekend working oumt the details, these more than 20 western nations, plus a couple of arab countries also that have signed on to enforce the no-fly zone over libya, and nato secretary-general was very clear about that, they will be enforcing the no-fly zone and the arms embargo and nothing else. he says they should be ready to take this over in about two or three days. secretary of state hillary clinton making the announcement here for the u.s., saying we can now begin to reduce our participation in this operation. the u.s. has flown about 70% of those missions so far, that should begin to go down. in fact, she says there are already fewer american planes in the air over libya. lynn? >> tracie, thanks so much. >>> now to japan, where the government says an apparent leak has been detected at the crippl